Readers offer their best tips for getting a better Firefox on Android, reading tiny serial numbers, …
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Every day we receive boatloads of great reader tips in our inbox, but for various reasons—maybe they're a bit too niche, maybe we couldn't find a good way to present it, or maybe we just couldn't fit it in—the tip didn't make the front page. From the Tips Box is where we round up some of our favorites for your buffet-style consumption. Got a tip of your own to share? Add it in the comments, email it to tips at lifehacker.com, or share it on our tips and expert pages.

Mozilla has actually had an Aurora channel for Firefox on Android for awhile now. You can't get it in the Google Play store, but you can get it from Mozilla's page here—just make sure you have "Unknown Sources" checked off in Settings > Applications. I've been using it for the past few days, and I've got to say; I'm LOVING it. I was hooked onto Dolphin till now, but Aurora feels faster, and doesn't take forEVER to load like the stable channels do!

Use Your Camera as a Makeshift Magnifying Glass

Barry Wood tells us how to accurately read those tiny serial numbers:

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I've found that many devices these days are printing their serial numbers in something like 2-point fonts and it's nearly impossible to read them. Instead of trying to find that magnifying glass you last used in the previous millennium, use the macro focus feature on your digital camera to snap a photo. You will be able to zoom in and read it perfectly.

You might not even need the macro mode; just putting your phone's camera near the serial number might help, depending on how small it is.

There have been steganography tutorials featured here before, But if you want an easy way of secretly sharing simple messages, there is little to it. Create a text document, type a message, and rename it as an image (.png) instead of "name".txt. When you go to open the image, you get an error, but if you change the file back to text, (.txt), you have your message.

This probably wouldn't pass with the CIA, but if you're just hiding a file or two enough so that the average person doesn't see it, this will do just find.

Fix Disappearing Posts on Lifehacker Tagpages

If you find your posts are disappearing on pages like #tips, #openthread, or other tagpages, it's because when you edit those posts, the #tips or #openthread tag disappears. So, you have to manually type it in again to get it to show up in that forum.

Hopefully we can get this actual issue resolved soon, but for now, just be sure to do this anytime you edit a post on a tagpage.